McIntosh C28

Solid State Preamplifier

$799

This classic preamp from McIntosh is in nice condition. Original box, packing, and manual are not included.

Here is a great example of this classic stereo preamplifier from McIntosh. This is a fantastic piece to get into McIntosh: it is not ridiculously expensive but it makes a great case for why the McIntosh brand is so well revered. From the 1970-75 era, each channel of the C28 consists of four parts, a low level amplifier, high level amplifier, active filters and headphone amplifier. Common regulated power supplies furnish power to both channels.

Specifications

Frequency response: 20Hz to 20kHz

Total harmonic distortion: 0.1%

Gain: 62dB (MM), 20dB (line)

Input sensitivity: 2.5mV (mic), 2mV (MM), 250mV (line)

Signal to noise ratio: 78dB (MM), 90dB (line)

Output: 250mV (line), 2.5V (Pre out)

Semiconductors: 26 x transistors, 4 x diodes, 2 x bridge rectifiers

 

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